Definition of "windowsill" []

• The horizontal member at the base of a window opening. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Growing herbs, even in pots on an apartment windowsill, is a great way to have fresh flavor right on hand."
• "The plantation on my windowsill is growing under the loving care of (mostly) my bf."
• "On the windowsill was a pigeon, had a blood-stained wings."